724 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



Genus CHIROCENTRUS Cuvier 



Chirocentrus Cuviek. Regne animal, vol. 2, p. 178, 1817. (Type, Clupea dorab 



Forskdl, monotypic). 

 Jeosudis Castelnau, Proc. Zool. Acclimat. Soc. Victoria, vol. 2, p. 118, 1873. 



(Type, Neosudis vorax Castelnau, monotypic). 



Abdominal edge trenchant, not serrated. Head small. Mouth 

 cleft wide, superior. Teeth in narrow bands on palatines, pterygoids, 

 and tongue. Opercular apparatus complete. Gill openings wide. 

 Branchiostegals 8. Stomach with blind sac. Pyloric appendages 

 none. Mucous membranes of intestine with spiral fold suggestive 

 of spiral valve in elasmobranchs. Air bladder large, cellular. Lat- 

 eral line obsolete. Dorsal fin short, posterior or behind middle. 

 Ventral with 7 rays, midway between pectoral and anals. 



Two species according to Bleeker and they have been further 

 elucidated by the studies of Dr. J. D. F. Hardenberg. 



ANALYSIS OF SPECIES 



a\ Depth 7; head 6; maxillary not reaching preopercle; gill rakers 3+14 or 15. 



dorab 



a^ Depth 5y2 ; head 5% ; maxillary reaches beyond preopercle; gill rakers 5+16 



or 17 nudus 



CHIROCENTRUS DORAB (Forskil) 



Clupea dorah Forskal, Descript. Animal., pp. XIII, 7, 1775 (type locality: 

 Djedda and Mochha, Red Sea). — Bonnaterre, Tableau encycylop. Ichth., 

 p. 187, 1788 (Red Sea).— Gmeun, Syst. Nat. Linn., vol. 1, p. 1409, 1789 (Red 

 Sea). — Wai^aum, Artedi Pise, vol. 3, p. 42, 1792 (copied). — Lacep£;de, Hist. 

 Nat. Poiss., vol. 5, pp. 425, 459, 1803 (Arabia).— Jouan, M6m. Soc. Sci. Imp. 

 Sci. Nat. Cherbourg, vol. 8, p. 306, 1861 (Kauala, New Caledonia) ; vol. 21, 

 p. 335, 1877-78 (on 1861). 



Chirocentrus dorab Ruppell, Neue Wirbelth., Fische, p. 81, 1835 (Red Sea). — 

 Valenciennes, Hist. Nat. Poiss., vol. 19, p. 150, pi. 565, 1846 (Coromandel, 

 Malabar, Mauritius, Bouru, New Guinea, Zanzibar, Muscat, Red Sea, 

 Java).— Richardson, Ichth. China Japan, p. 311, 1846 (Canton, seas of 

 China). — Cantor, Journ. Asiatic Soc. Bengal, vol. 18, p. 1259, 1849 (Malay 

 Peninsula and Islands). — Jeirdon, Madras Journ. Lit. Sci., p. 146, 1851. — 

 Peteks, Arch. Naturg., p. 268, 1855 (Mozambique). — Bleeke2{, Act. Soe. 

 Sci. Indo-Neerl., vol. 5, No. 9, p. 3, 1859 (Nagasaki).— Day, Fishes of 

 Malabar, p. 223, 1865.— Kner, Reise Novara, Fische, p. 340, 1865 (Madras).— 

 Bleeker, Atlas Ichth. Ind. Neerl., vol. 6, p. 92, pi. (13) 271, fig. 3, 

 1866-72 (Java, Madura, Sumatra, Singapore, Bintang, Banka, Borneo, 

 Celebes, Buru, Amboina, New Guinea) ; Versl. Meded. Akad. Wet. Amster- 

 dam, ser. 2, vol. 2, p. 300, 1868 (Waigiu).— Gunther, Cat. Fishes British 

 Mus., vol. 7, p. 475, 1868 (Zanzibar, Port Natal, Bengal, Pinang, Amboina, 

 Bast Indies, China, Japan). — Kltjnzinger, Verb, zool.-bot. Ges. Wien, vol. 

 21, p. 606, 1871 (Koseir, Red Sea ) .—Peters, Monatsb. Akad. Wiss. Berlin, 

 p. 445, 1876 (Mauritius), p. 849 (New Pomerania), 1877. — Martens, Preuss. 

 Exped. Ost-Asien, vol. 1, p. 405, 1876 (Singapore). — Peters, Monatsb. Akad. 

 Wiss. Berlin, 1876, p. 846, 1877 (New Britain). — Aixbyne and Maoleat, 

 Proc. Linn. Soc. New South Wales, vol. 1, p. 351, 1877 (Cape York).— Day, 



